Home / 1,108,683.18-1,529,432.76-716,081.13

Finding the Fourth Proportional to 1,108,683.18, 1,529,432.76 and 716,081.13

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Solution

The fourth proportional to 1,108,683.18, 1,529,432.76 and 716,081.13 is: 987,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,683.18 : 1,529,432.76 = 716,081.13 : x
  2. Step 2: Convert to fraction form
    1,108,683.18/1,529,432.76 = 716,081.13/x
  3. Step 3: Cross multiply
    1,108,683.18x = 1,529,432.76 × 716,081.13
  4. Step 4: Simplify right side
    1,108,683.18x = 1,095,197,939,039.82
  5. Step 5: Solve for x
    x = 1,095,197,939,039.82/1,108,683.18
  6. Step 6: Final answer
    x = 987,836.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.